Hi Some time last year i used a guide at the old wiki... that page is now gone, but are there a backup somewhere? the link was https://github.com/tvdzwan/hyperion/wiki/Make-Raspbian-Read-Only would be very happy to get a copy for safe keeping
Greetings, yes it is gone as Hyperion and a ro system has nothing to do with each other. For more accurate (and actual) informations you find many posts about this topic at the web: https://www.google.com/search?q=MAk...rome..69i57.7181j0j7&sourceid=chrome&ie=UTF-8 Hope this helps
sadly not i think there was some very specific steps in there. and without a locked backup i cant verify that what i google is also the same
This is a backup of the old article Code: # Overview Once you have Hyperion setup and properly configured, it is useful to make the file-system read only. This way you can abruptly shut off the raspberry pi without causing any harm to the SD Card's file-system. # Steps ### Disable Swap ``` dphys-swapfile swapoff dphys-swapfile uninstall update-rc.d dphys-swapfile disable ``` ### Install UnionFS `aptitude install unionfs-fuse` ### Create UnionFS Mount Script `nano /usr/local/bin/mount_unionfs` add these lines to the file: ```#!/bin/sh [ -z "$1" ] && exit 1 || DIR=$1 ROOT_MOUNT=$(grep -v "^#" /etc/fstab | awk '$2=="/" {print substr($4,1,2)}') if [ "$ROOT_MOUNT" != "ro" ]; then /bin/mount --bind ${DIR}_org ${DIR} else /bin/mount -t tmpfs ramdisk ${DIR}_rw /usr/bin/unionfs-fuse -o cow,allow_other,suid,dev,nonempty ${DIR}_rw=RW:${DIR}_org=RO ${DIR} fi ``` Make the file executable: `chmod +x /usr/local/bin/mount_unionfs` Update your fstab to look like this: ``` proc /proc proc defaults 0 0 /dev/mmcblk0p1 /boot vfat ro 0 2 /dev/mmcblk0p2 / ext4 ro,noatime 0 1 mount_unionfs /etc fuse defaults 0 0 mount_unionfs /var fuse defaults 0 0 none /tmp tmpfs defaults 0 0 ``` Prepare these directories: ``` cp -al /etc /etc_org mv /var /var_org mkdir /etc_rw mkdir /var /var_rw reboot ``` Finished! # End Now you don't have to worry if your raspberry pi loses power suddenly, all should be well :) If for some reason you need to make changes you can remount the filesystem as read/write with this command: `mount -o remount,rw /` Enjoy _I give [Max via the pi3g Blog](http://blog.pi3g.com/2014/04/make-raspbian-system-read-only/) credit for this solution_ _BaM provided a better mount_unionfs script in the comments_
Thanks a lot.... it would save me some hours of searching.. saved the email i just got and will print it on paper too :-D
